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Hard Chrome Plating On Tungsten

Hard Chrome
Plating

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We have a direct hard chrome plate requirement .010 thick on tungsten. Does anyone have a reliable method to ensure good adhesion that will withstand post grinding?

David P.Ferrairo
- Seabrook, New Hampshire

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Hello, Mr. Ferrairo--

There is no question that getting good adhesion onto tungsten is difficult. However, the ASM Handbook, Vol.5, Surface Engineering has a chapter on activating and plating refractory metals like tungsten. Good luck!

Ted Mooney, P.E.
finishing.com
Brick, New Jersey

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